19278431800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{120641}}^1$

素因数の和:120721

約数の個数: 96

約数和(自身を含む): 48469129920

約数和(自身を除く): 29190698120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 47, 50, 68, 85, 94, 100, 136, 170, 188, 200, 235, 340, 376, 425, 470, 680, 799, 850, 940, 1175, 1598, 1700, 1880, 2350, 3196, 3400, 3995, 4700, 6392, 7990, 9400, 15980, 19975, 31960, 39950, 79900, 120641, 159800, 241282, 482564, 603205, 965128, 1206410, 2050897, 2412820, 3016025, 4101794, 4825640, 5670127, 6032050, 8203588, 10254485, 11340254, 12064100, 16407176, 20508970, 22680508, 24128200, 28350635, 41017940, 45361016, 51272425, 56701270, 82035880, 96392159, 102544850, 113402540, 141753175, 192784318, 205089700, 226805080, 283506350, 385568636, 410179400, 481960795, 567012700, 771137272, 963921590, 1134025400, 1927843180, 2409803975, 3855686360, 4819607950, 9639215900, 19278431800]

約数ペア:

[(1, 19278431800), (2, 9639215900), (4, 4819607950), (5, 3855686360), (8, 2409803975), (10, 1927843180), (17, 1134025400), (20, 963921590), (25, 771137272), (34, 567012700), (40, 481960795), (47, 410179400), (50, 385568636), (68, 283506350), (85, 226805080), (94, 205089700), (100, 192784318), (136, 141753175), (170, 113402540), (188, 102544850), (200, 96392159), (235, 82035880), (340, 56701270), (376, 51272425), (425, 45361016), (470, 41017940), (680, 28350635), (799, 24128200), (850, 22680508), (940, 20508970), (1175, 16407176), (1598, 12064100), (1700, 11340254), (1880, 10254485), (2350, 8203588), (3196, 6032050), (3400, 5670127), (3995, 4825640), (4700, 4101794), (6392, 3016025), (7990, 2412820), (9400, 2050897), (15980, 1206410), (19975, 965128), (31960, 603205), (39950, 482564), (79900, 241282), (120641, 159800)]